KERNEL

WHAT'S NEW

FreeRTOS:

The latest release now includes the SNTP library, see blog post.

AWS Reference Integrations:

See our latest 202107.00 release's blog post.

FreeRTOS SMP:

See our blog post on the latest development.

Embedded World track keynote:

Watch Richard Barry's 2021 talk on future proofing MCU devices.

uxSemaphoreGetCount
[Semaphores]

semphr. h

UBaseType_t uxSemaphoreGetCount( SemaphoreHandle_t xSemaphore );

Returns the count of a semaphore.

Parameters:

xSemaphore

The handle of the semaphore being queried.

Returns:: If the semaphore is a counting semaphore then the semaphores current count value is returned. If the semaphore is a binary semaphore then 1 is returned if the semaphore is available, and 0 is returned if the semaphore is not available.